.alert_mask{ background:#000;opacity:0.7;}
.alert_box{
	background:#EEE;
	line-height:0;
	box-shadow:0px 2px 5px #333;
	border:2px solid #666;
	border-radius:3px;
}
.alert_inner{text-align:left; margin:0;padding:0.5em; background:#FFF;line-height:1.5em;}

/* for IE*/
.alert_mask{ filter:alpha(opacity=70);}